Over 116 custom electronics projects completed
An overview of orders completed by Siltegro — sensors and measurement systems, controllers, control systems and other electronic solutions designed and produced to order for clients. Every project is a separate engineering challenge — from schematic, through assembly, to commissioning.
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Found: 116

Measurement system with GSM communication
Measurement system with GSM communication. Specification: Inputs 1 x analog (24 bits) + 2 x digital, HMI 4 x button, 2×16 LCD display, Power supply 12 VDC, Processor 32 bit, ARM, Communication GSM, GPRS

Data acquisition module (type 1)
Data acquisition module (type 1). Specification: Number of analog-to-digital ports 4, Analog measurement resolution 12 bit, Maximum sampling frequency 4 x 100kHz, Supported interfaces UART, I2C, Processor 32 bit, ARM

Oxygen content measurement
Oxygen content measurement. Specification: Measurement range 0 - 100%, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Carbon dioxide content measurement
Carbon dioxide content measurement. Specification: Measurement range 0 - 5%, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor I2C

Air pollution measurement
Air pollution measurement. Specification: Measurement range 0 - 0,5 mg/m3, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor 8 bit, AVR

Soil moisture measurement
Soil moisture measurement. Specification: Measurement range 0 - 45%, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Temperature measurement (PT1000)
Temperature measurement (PT1000). Specification: Measurement range -20°C - 150°C, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —
Temperature measurement (K-type thermocouple)
Temperature measurement (K-type thermocouple). Specification: Measurement range -200°C - 850°C, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Temperature measurement (NTC)
Temperature measurement (NTC). Specification: Measurement range -5°C - 105°C, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Temperature measurement (infrared)
Temperature measurement (infrared). Specification: Measurement range -30°C - 550°C, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Gas pressure measurement
Gas pressure measurement. Specification: Measurement range 0 - 700kPa (0,69atm), Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Atmospheric pressure measurement
Atmospheric pressure measurement. Specification: Measurement range 15 - 115kPa, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Illuminance measurement
Illuminance measurement. Specification: Measurement range 0 - 300000lux, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces UART, I2C, Processor 8 bit, AVR
UVA radiation measurement
UVA radiation measurement. Specification: Measurement range 0 - 20000mW /m2, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —
UVB radiation measurement
UVB radiation measurement. Specification: Measurement range 0 - 1100mW/m2, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Ion-selective measurement (F-)
Ion-selective measurement (F-). Specification: Measurement range 0,02 - 19000mg/L F-, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

pH measurement
pH measurement. Specification: Measurement range 0 - 14pH, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Redox potential measurement
Redox potential measurement. Specification: Measurement range -2000mV - 2000mV, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Dissolved oxygen content measurement
Dissolved oxygen content measurement. Specification: Measurement range 0 - 20mg/l, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —
Force measurement
Force measurement. Specification: Measurement range -50 - 50N, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Motion and displacement measurement
Motion and displacement measurement. Specification: Measurement range 30cm - 5,5m, Output signal digital, Power supply 5.3V, Supported interfaces —, Processor —

Sound measurement
Sound measurement. Specification: Measurement range 20Hz - 10kHz, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Sound level measurement (sonometer)
Sound level measurement (sonometer). Specification: Measurement range 30 - 130dB, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Air speed measurement (anemometer)
Air speed measurement (anemometer). Specification: Measurement range 0,5 - 30 m/s, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor 8 bit, AVR

Relative humidity measurement
Relative humidity measurement. Specification: Measurement range 0 - 99%, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

GSR measurement bracelet
Wearable for measuring the galvanic skin response (0–5000 A.U.). ARM Cortex M0 32-bit processor, Bluetooth Low Energy 4.1 (2.4 GHz, up to 5 m), CR2450 battery, 10 Hz sampling, 0°C–50°C range.

GSR measurement
GSR measurement. Specification: Measurement range 0 - 5000 a.u., Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

ECG measurement
ECG measurement. Specification: Measurement range 0 - 5mV, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

EMG measurement
EMG measurement. Specification: Measurement range -2,5mV - 2,5mV, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Heart rate measurement
Heart rate measurement. Specification: Measurement range 30 - 230bpm, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Blood pressure measurement
Blood pressure measurement. Specification: Measurement range 0 - 250mmHg, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Lung flow and capacity measurement (spirometry)
Lung flow and capacity measurement (spirometry). Specification: Measurement range -15 - 15 L/s, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Differential voltage measurement
The project covered the design and production of a signal conditioning module for industrial applications. The device converts a differential signal in the range of ±10 V into a 0–5 V analog output, enabling direct connection to ADC converters and data acquisition systems. The project was carried out comprehensively — from the electronic schematic and PCB layout, through mechanical design and CNC enclosure milling, to laboratory testing and series production launch. Communication with the module takes place via the I2C interface, which simplifies integration with host systems. Siltegro scope of work: - Printed circuit board (PCB) design considering measurement and EMC requirements - CNC enclosure design and milling adapted to the client's requirements - Research and validation of electrical parameters - Series production with quality control per ISO 9001 The module is used in industrial installations requiring precise differential voltage measurement with galvanic isolation of the input and output circuits.

Magnetic field measurement
Magnetic field measurement. Specification: Measurement range 0 - 8mT, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces UART, I2C, Processor 8 bit, AVR
Differential current measurement (5A)
Differential current measurement (5A). Specification: Measurement range -5 - 5A, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —

Differential current measurement (1A)
Differential current measurement (1A). Specification: Measurement range -1 - 1A, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces I2C, Processor —
Resistance measurement
Resistance measurement. Specification: Measurement range 0 - 250kΩ, Output signal 0 - 5V, Power supply 5.3V, Supported interfaces UART, I2C, Processor 8 bit, AVR

Digital control unit
Digital control unit. Specification: Outputs 4 x push-pull + 1 x relay, Power supply 6 – 15VDC, Supported interfaces UART, I2C, Processor 8 bit, AVR

Servomotor controller
Servomotor controller. Specification: Outputs mostek H dla motor system Lego NXT, Inputs Lego NXT motor encoder, Power supply 9VDC, Supported interfaces UART, I2C, Processor 8 bit, AVR

Temperature controller (v2)
Temperature controller (v2). Specification: Measurement range -50 - 250°C, Sensor PT1000, Output Relay or SSR, Control 2-state or SSR, Power supply 100 - 240VAC 50/60Hz

Temperature controller SPK-1
Temperature controller SPK-1. Specification: Measurement range -50 - 350°C, Sensor K-type thermocouple, Output MSI, Output load capacity 15A, Control PI

Temperature controller (v1)
Temperature controller (v1). Specification: Measurement range -50 - 250oC, Sensor PT1000, Output Relay or SSR, Control 2-state or PI, Power supply 100 - 240VAC 50/60Hz

DC motor speed controller (v5)
DC motor speed controller (v5). Specification: Speed range 0 - 100%, Load capacity do 5,5A, Direction change No, Control MSI, Power supply 12VDC

Temperature controller
Temperature controller. Specification: Measurement range 0 - 95oC, Sensor DS18B20, Output Relay, Control 2-state, Power supply 230VAC

DC motor speed controller (v1)
DC motor speed controller (v1). Specification: Speed range 0 - 100%, Load capacity do 8A, Direction change No, Control MSI, Power supply 12VAC / 12VDC

DC motor speed controller (v2)
DC motor speed controller (v2). Specification: Speed range 0 - 100%, Load capacity do 5A, Direction change No, Control MSI, Power supply 18VAC

DC motor speed controller (v3)
DC motor speed controller (v3). Specification: Speed range 0 - 100%, Load capacity do 10A, Direction change No, Control MSI, Power supply 12VAC / 12VDC

DC motor speed controller (v4)
DC motor speed controller (v4). Specification: Speed range 0 - 100%, Load capacity do 10A, Direction change Yes, Control MSI, Power supply 12VDC

AC motor speed controller
AC motor speed controller. Specification: Speed range 0 - 100%, Load capacity do 3A, Direction change No, Control Phase, Power supply 230VAC

Controller with RS485 interface (v1)
Controller with RS485 interface (v1). Specification: Power supply 5VDC, Inputs 2 x OC, 3 x ADC, Outputs 2 x PWM, HMI 4 x button, 4×16 LCD, Communication RS485

Dispenser operation control unit
Dispenser operation control unit. Specification: Power supply 5VDC, Inputs 1 x MOS RelayHMI, HMI 3 x button, 4 x LED, 1 x pot., Communication RS485

Controller with RS485 interface
Controller with RS485 interface. Specification: Power supply 5VDC, Inputs 1 x OC, HMI 4 x button, 2×8 LCD, Communication RS485

GSM notification module
GSM notification module. Specification: Power supply 12VDC, buffered, Inputs 1 Wire, I2C, RS232, 2xAIN, HMI 4 x button, 2×16 LCD, Communication GSM, GPRS

Linear drive controller
Linear drive controller. Specification: Supply voltage 19.5 – 24.5VDC, Maximum load current 1.6A, Supported encoder incremental, NPN, A/B, Overload detector setting range 0.2 – 1.6A, End positions programmable

Universal input/output card
Universal input/output card. Specification: Inputs 4 x universal analog/digital inputs, Outputs 3 x relay outputs + 1 x transistor output, Power supply 12 - 24 VDC, Communication Parallel

Polarity and voltage monitor
Polarity and voltage monitor. Specification: Permissible supply voltage range 9 - 20V, Output on 9,5 < Uwe < 15, Output off Uwe 15,3V, Polarity control Yes, Output Relay, NO, 5A

Incubation chamber operation control unit
Incubation chamber operation control unit. Specification: Inputs 6 x universal analog/digital inputs, Outputs 6 x relay outputs + 2 x transistor outputs, Power supply 12 - 24 VDC, Processor 8 bit, AVR, Communication USB

Solar installation operation control unit (v1)
Solar installation operation control unit (v1). Specification: Inputs 3 x PT1000, Outputs 1 x Triak, 1 x relay, Power supply 230VAC, Processor 32 bit, ARM

Solar installation operation control unit (v2)
Solar installation operation control unit (v2). Specification: Inputs 3 x PT1000, Outputs 1 x relay, 2 x PWM, Power supply 230VAC, Processor 32 bit, ARM

Precision temperature measurement unit
Precision temperature measurement unit. Specification: Measurement range 0 - 95oC, Sensor DS18B20, Output —, Control —, Power supply 230VAC

Distiller operation control unit
Distiller operation control unit. Specification: Inputs 2 x DS18B20, EMG, 2 X GPI, Outputs 2 x relay, 1 x SSR, Power supply 230VAC, Processor 8 bit, AVR

Beer brewing device operation control unit
Beer brewing device operation control unit. Specification: Inputs 3 x DS18B20, EMG, 4 X GPI, Outputs 4 x relay, 2 x SSR, Power supply 24VDC, Processor 8 bit, AVR, Communication RS232

Liquid dispensing device operation control unit (v2)
Liquid dispensing device operation control unit (v2). Specification: Inputs 2 x EMG, Outputs 1 x relay, Power supply 5VDC, Processor 8 bit, AVR, Communication RS485

Liquid dispensing device operation control unit (v1)
Liquid dispensing device operation control unit (v1). Specification: Inputs EMG, Outputs —, Power supply 5VDC, Processor 8 bit, AVR, Communication RS485

Feeder operation control unit
Feeder operation control unit. Specification: Inputs 1 x optocoupler + 2 x TTL, Outputs 1 optocoupler, Power supply 5VDC, Processor 8 bit, AVR, Communication RS485

Dehumidifier operation control unit
Dehumidifier operation control unit. Specification: Inputs 3 x DS18B20, EMG, 4 X GPI, Outputs 4 x relay, 2 x SSR, Power supply 24VDC, Processor 8 bit, AVR, Communication RS232

Cap removal device operation control unit (v2)
Cap removal device operation control unit (v2). Specification: Inputs 2 x DS18B20, EMG, 2 X GPI, Outputs 2 x relay, 1 x SSR, Power supply 230VAC, Processor 8 bit, AVR

Cap removal device operation control unit (v1)
Cap removal device operation control unit (v1). Specification: Inputs 2 x DS18B20, EMG, 2 X GPI, Outputs 4 x relay, Power supply 24VDC, Processor 8 bit, AVR, Communication RS232

Cap removal device operation control unit (v3)
Cap removal device operation control unit (v3). Specification: Inputs 3 x DS18B20, EMG, 4 X GPI, Outputs 4 x relay, 2 x SSR, Power supply 24VDC, Processor 8 bit, AVR, Communication RS232

Centrifuge operation control unit (v1)
Centrifuge operation control unit (v1). Specification: Inputs EMG, Outputs —, Power supply 5VDC, Processor 8 bit, AVR, Communication RS485

Centrifuge operation control unit (v2)
Centrifuge operation control unit (v2). Specification: Inputs EMG, Outputs —, Power supply 5VDC, Processor 8 bit, AVR, Communication RS485

Centrifuge operation control unit (v3)
Centrifuge operation control unit (v3). Specification: Inputs 2 x EMG, Outputs 1 x relay, Power supply 5VDC, Processor 8 bit, AVR, Communication RS485

Stirrer operation control unit
Stirrer operation control unit. Specification: Inputs 1 x EMG, Outputs 1 x relay, Power supply 5VDC, Processor 8 bit, AVR

DAB+FM signal amplifier
DAB+FM signal amplifier. Specification: Frequency range 70MHz - 230MHz, Gain 28dB, LTE filter No, Power supply 5 - 12VDC

DVBT signal amplifier (v2)
DVBT signal amplifier (v2). Specification: Frequency range 150MHz - 790MHz, Gain 24dB, LTE filter Yes, Power supply 5 - 12VDC

DVBT signal amplifier (v1)
DVBT signal amplifier (v1). Specification: Frequency range 150MHz - 860MHz, Gain 20dB, LTE filter No, Power supply 5VDC

Control cabinet for an internal combustion engine
Control cabinet with an ECU, 12 digital inputs, 15 analog inputs, 24 digital outputs and 6 analog outputs. Scope: schematic, cabinet assembly, injector signal amplifier configuration, commissioning.

Control cabinet for a cap tightening machine
Control cabinet for a cap tightening machine. Specification: PLC SMC-1, 3 digital inputs, 0 analog inputs, 5 digital outputs, 0 analog outputs

Salt cave controller
Salt cave controller. Specification: PLC 2 x SMC-1, 6 digital inputs, 0 analog inputs, 16 digital outputs, 0 analog outputs

Test sequence generator
Test sequence generator. Specification: PLC SMC-1, 2 digital inputs, 0 analog inputs, 2 digital outputs, 0 analog outputs

Compressor control cabinet
Compressor control cabinet. Specification: PLC SMC-1, 5 digital inputs, 0 analog inputs, 5 digital outputs, 0 analog outputs

Industrial cold room control cabinet
Cold room control cabinet: 4 digital inputs, 3 digital outputs. Compressor, fan and solenoid valve control, temperature regulation. Scope: algorithm, schematic, assembly, tests, commissioning.

Data acquisition module software
Data acquisition module software. Specification: Platform Windows, Linux, Programming language Python, C, PHP, Communication USB

SMAS system configuration software
SMAS system configuration software. Specification: Platform Windows, Programming language Delphi, Communication USB

Test software for the servomotor controller module
Test software for the servomotor controller module. Specification: Platform Windows, Linux, Programming language C++, Communication USB

DC motor controller work visualization software
DC motor controller work visualization software. Specification: Platform Android, Programming language Java, Communication WiFi
Remote access software for the universal controller
Remote access software for the universal controller. Specification: Platform OpenWrt, Programming language JavaScript, Communication WiFi

Dispenser drive power supply
Dispenser drive power supply. Specification: Power input 15VAC, Power outputs 24VDC 15A, 5VDC 0,5A

Frequency-to-voltage measurement converter
Frequency-to-voltage measurement converter. Specification: Inputs 1 x PNP, Outputs 1 x 0 - 10V, Measurement range 10 - 500RPM – configurable, Power supply 15 - 25VDC, Processor 8 bit, AVR

Testing system
Testing system. Specification: Inputs 5 x PT1000 + 3 x 0 - 10V, Outputs 8 x LED, Measurement range -20 - 230oC, Power supply 100 - 240VAC 50/60Hz, PLC SMC-2

Overcurrent switch
Overcurrent switch. Specification: Current measurement range 0 - 5A DC, Circuit supply voltage 24V DC, Threshold adjustment Yes, with potentiometer, Hysteresis Yes, adjustable, Output Relay, SPDT

Universal voltage setter
Universal voltage setter. Specification: Min input voltage 2V, Max input voltage 35V, Output voltage setting range 0V - (Umax – 2)V, Max output current: * 1A, Setting range narrowing possible Yes

DRL lights matching module
DRL lights matching module. Specification: Inputs 6 x 10bit (0 - 15V), Outputs 4 x PNP (MSI, 12V), Power supply 12VDC, Processor 8 bit, AVR

Pick & Hold injector signal amplifier
Pick & Hold injector signal amplifier. Specification: Inputs 1 x NPN, Outputs 1 x NPN (12V, 6A), Power supply 12VDC, Processor 8 bit, AVR

Injector signal amplifier
Injector signal amplifier. Specification: Inputs 1 x NPN, Outputs 1 x NPN (12V, 6A), Power supply 12VDC

Chiptuning box
Chiptuning box. Specification: Inputs 4 x 10bit (0 - 5V), Outputs 4 x 10bit (0 - 5V, 50mA), Power supply 12VDC, Processor 8 bit, AVR, Communication USB

Zapper
Zapper. Specification: Inputs —, Outputs 2 x probe, Power supply battery, Processor 32 bit, ARM

Vibration-based engine activity recorder
Vibration-based engine activity recorder. Specification: Processor ARM Cortex-M0 32-bit, Communication Bluetooth LE 4.2, Lithium battery 3V

Biometric mouse
Biometric mouse. Specification: Processor ARM Cortex-M4, Communication USB HID, Mass storage, Galvanic isolation 5kV

Temperature controller
Temperature controller. Specification: Measurement range -50 - 350°C, Sensor K-type thermocouple, Output load capacity 15A, Supply voltage 12VDC

Measurement system with GSM and GPRS communication
Measurement system with GSM and GPRS communication. Specification: Processor ARM 32 bits, Communication GPRS, GSM, Analog data reading 24 bits, Digital data reading 1Wire, I2C, Power supply gel battery

Measurement system with GSM communication
Measurement system with GSM communication. Specification: Processor ARM 32 bits, Communication GSM, Analog data reading 24 bits, Power supply Alkaline battery set

LTE router
LTE router. Specification: Processor MIPS 32 bits, Communication Ethernet, LTE, Power supply POE

Wireless weather station
Wireless weather station. Specification: Processor ARM 32 bits, Communication Bluetooth Low Energy, Measurement pressure, temperature, humidity, Power supply Li-Ion battery

Electrocardiograph
Electrocardiograph. Specification: Processor ARM 32 bits, Communication Bluetooth Low Energy, Measurement 3 electrodes, Power supply Li-Ion battery

Programmable digital output module
Programmable digital output module. Specification: Processor AVR 8 bits, Communication RS232, Outputs 4 x push-pull PWM, 1 x relay, Power supply 6-15VDC

Electromagnetic field detector
Electromagnetic field detector. Specification: Detection frequency 400 MHz – 3 GHz, Output 0 - 5V, Power supply 5.5VDC

Antenna signal amplifier with LTE filter
Antenna signal amplifier with LTE filter. Specification: Frequency range 150 - 790MHz, Gain 24dB, Power supply 5 - 12VDC

Low-power DC motor speed controller
Low-power DC motor speed controller. Specification: Setting range 0 - 100%, Power supply 12VDC, Max load capacity 5.5A, Protections polarity, overload, overvoltage

μVOX
μVOX

EMS controller (Energy Manager)
Siltegro's own controller: AVR 8-bit processor, 230 VAC supply, 1 analog input, 2 digital, 2 digital outputs. Scope: schematic, PCB, firmware, CE certification, SMT+THT assembly, FCT tests.

Sound actuator
An element of an indoor navigation system. Powered by Li-Ion batteries — up to 12 months without charging. Scope: concept, schematic, PCB, firmware, prototype series, SMT+THT assembly, tests.

I/O module for an automation system
I/O module for an automation system. Specification: Processor ARM 32 bits, Inputs 10 x NTC, 1 x 0-10V, 4 x Din, Outputs 16 x Relay, 2 x PWM, Communication RS485 (Modbus RTU)

Dosing device controller
Dosing device controller. Specification: Processor RISC V, Inputs 1 x strain gauge, 1 x Din, Outputs 2 x PWM, Communication WiFi (MQTT)

Multidetector
Multidetector. Specification: Processor XTensa, Inputs I2C, 8xAIN (12 bit), Communication WiFi, Power supply USB socket

Strain gauge sensor measurement converter
Strain gauge sensor measurement converter. Specification: Measurement resolution 24 bit, Measurement frequency max 80/s, Communication RS485 Modbus RTU, Supply voltage 24VDC
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