![FireBeetle ESP32 IOT...](https://www.botnroll.com/13289-home_default/firebeetle-esp32-iot-microcontroller-supports-wi-fi-bluetooth.jpg)
FireBeetle ESP32 IOT Microcontroller...
Price
€19.90
![FireBeetle ESP8266 IOT...](https://www.botnroll.com/13290-home_default/firebeetle-esp8266-iot-microcontroller-supports-wi-fi.jpg)
FireBeetle ESP8266 IOT...
Price
€12.90
![ESP32LR88 - WIFI - 8 Inputs...](https://www.botnroll.com/13288-home_default/esp32lr88-wifi-8-inputs-8-x-16a-relays.jpg)
ESP32LR88 - WIFI - 8 Inputs + 8 x 16A...
Regular price
€67.50
-€3.60
Price
€63.90
- On sale!
- -€3.60
![Wio Node - ESP8266](https://www.botnroll.com/13312-home_default/wio-node-esp8266.jpg)
Wio Node - ESP8266
Price
€12.90
![ESP32-DEVKITC Development kit - ESPRESSIF](https://www.botnroll.com/10966-home_default/esp32-devkitc-development-kit-espressif.jpg)
ESP32-DEVKITC-32D Development kit -...
Price
€13.90
- DISCONTINUED
![FireBeetle Board-328P with...](https://www.botnroll.com/9834-home_default/firebeetle-board-328p-with-ble4-1.jpg)
FireBeetle Board-328P with BLE4.1
Price
€19.90
![GSM/GRPS Module SIM900A...](https://www.botnroll.com/13618-home_default/gsm-grps-module-sim900a-v4-0-with-antenna.jpg)
GSM/GRPS Module SIM900A V4.0 With...
Regular price
€22.90
-€6.00
Price
€16.90
- On sale!
- -€6.00
![WeMos® D1 mini ESP8266 4MB...](https://www.botnroll.com/13688-home_default/wemos-d1-mini-esp8266-4mb-flash-esp-12s-w-usb-ttl-driver.jpg)
WeMos® D1 mini ESP8266 4MB FLASH w/...
Price
€6.95
![Zigbee CC2531 USB Dongle](https://www.botnroll.com/13750-home_default/zigbee-cc2531-usb-dongle.jpg)
Zigbee CC2531 USB Dongle
Price
€7.90
![Socket Adapter Plate For...](https://www.botnroll.com/13966-home_default/socket-adapter-plate-for-8pin-nrf24l01.jpg)
Socket Adapter Plate For 8Pin NRF24L01
Price
€1.50
![HW-584 RJ45 Network...](https://www.botnroll.com/13984-home_default/hw-584-rj45-network-internet-io-for-16x-5v-relays-enc28j60.jpg)
HW-584 RJ45 Network Internet IO for...
Price
€11.80
![USB-RFID Card Reader...](https://www.botnroll.com/13999-home_default/usb-rfid-card-reader-13-56mhz-usb-connection-for-pc.jpg)
USB-RFID Card Reader 13.56MHz USB...
Price
€16.95
![ADC 4 channel 16Bit I2C...](https://www.botnroll.com/14010-home_default/adc-4-channel-16bit-i2c-module-ads1115-with-gain-amplifier.jpg)
ADC 4 channel 16Bit I2C Module...
Price
€8.50
![GSM GPRS + GPS GNSS SIM868...](https://www.botnroll.com/14092-home_default/gsm-gprs-gps-gnss-sim868-module.jpg)
GSM GPRS + GPS GNSS SIM868 Module
Price
€29.90
![Industrial USB to RS485...](https://www.botnroll.com/14130-home_default/industrial-usb-to-rs485-converter.jpg)
Industrial USB to RS485 Converter
Price
€11.90
![5V DAC Decoder PCM2704 USB...](https://www.botnroll.com/14199-home_default/5v-dac-decoder-pcm2704-usb-audio-sound-card.jpg)
5V DAC Decoder PCM2704 USB Audio...
Price
€11.65
![ESP32SR88 - WIFI 8 x 1A relays](https://www.botnroll.com/14291-home_default/esp32sr88-wifi-8-x-1a-relays.jpg)
ESP32SR88 - WIFI 8 x 1A relays
Price
€55.70
![ESP32 PWM RGB driver - WLED03](https://www.botnroll.com/14272-home_default/esp32-pwm-rgb-driver-wled03.jpg)
ESP32 PWM RGB driver - WLED03
Price
€24.90
![ESP32LR20 - WIFI 2 x 16A...](https://www.botnroll.com/14299-home_default/esp32lr20-wifi-2-x-16a-relays.jpg)
ESP32LR20 - WIFI 2 x 16A relays
Price
€29.95
![ESP32LR42 - WIFI 4 x 16A...](https://www.botnroll.com/14304-home_default/esp32lr42-wifi-4-x-16a-relays.jpg)
ESP32LR42 - WIFI 4 x 16A relays
Price
€43.70
![Industrial grade isolated...](https://www.botnroll.com/14365-home_default/industrial-grade-isolated-rs232-to-rs485-converter.jpg)
Industrial grade isolated RS232 TO...
Price
€23.70
![ESP8266 Module w/ 16340...](https://www.botnroll.com/14754-home_default/esp8266-module-w-16340-rechargeable-battery-holder.jpg)
ESP8266 Module w/ 16340 Rechargeable...
Price
€9.50
![2-Channel Isolated CAN...](https://www.botnroll.com/14418-home_default/2-channel-isolated-can-expansion-hat-for-raspberry-pi-dual-chips-solution.jpg)
2-Channel Isolated CAN Expansion HAT...
Price
€21.70
![Bluetooth 4.0 Audio...](https://www.botnroll.com/14736-home_default/bluetooth-4-0-audio-amplifier-tda7492p-50-50w.jpg)
Bluetooth 4.0 Audio Amplifier...
Price
€26.50
![KEYTAG RFID 125kHz](https://www.botnroll.com/14772-home_default/keytag-rfid-125khz.jpg)
KEYTAG RFID 125kHz
Price
€0.90
![WiFi Antenna 2.4GHz IPX to...](https://www.botnroll.com/14783-home_default/wifi-antenna-2-4ghz-ipx-to-sma-2db.jpg)
WiFi Antenna 2.4GHz IPX to SMA 2dB
Price
€3.50
![T-Call V1.4 ESP32 w/...](https://www.botnroll.com/19762-home_default/esp32-with-gsm-gprs-comunication-module-sim800l.jpg)
T-Call V1.4 ESP32 w/ SIM800H 4MB...
Price
€32.50
![LoRa Radio Node v1.0 based...](https://www.botnroll.com/15133-home_default/lora-radio-node-v1-0-based-on-atmega328p-and-rfm98-433mhz-with-14500-battery-socket.jpg)
LoRa Radio Node v1.0 based on...
Price
€20.75
- DISCONTINUED
![Antenna RF 433 MHz 2dBi UFL...](https://www.botnroll.com/15149-home_default/antenna-rf-433-mhz-2dbi-ufl-connector-50-15-5mm.jpg)
Antenna RF 433 MHz 2dBi UFL Connector...
Price
€2.95
![SX1278 LoRa Module 433M...](https://www.botnroll.com/15159-home_default/sx1278-lora-module-433m-10km-ra-02-wireless-module-2h.jpg)
SX1278 LoRa Module 433M 10KM Ra-02...
Price
€14.70
![SX1278 LoRa Module 433M...](https://www.botnroll.com/15163-home_default/sx1278-lora-module-433m-10km-ra-02-wireless-module.jpg)
SX1278 LoRa Module 433M 10KM Ra-02...
Price
€7.90
![T-Beam Meshtastic ESP32,...](https://www.botnroll.com/19798-home_default/esp32-lora-433mhz-gps-display-18650-battery-holder.jpg)
T-Beam Meshtastic ESP32, LoRa SX1278...
Price
€49.90
![T-Beam Meshtastic ESP32,...](https://www.botnroll.com/19797-home_default/esp32-lora-868mhz-gps-display-18650-battery-holder.jpg)
T-Beam Meshtastic ESP32, LoRa SX1276...
Price
€52.90
![MCP2515 CAN Bus TJA1050...](https://www.botnroll.com/15265-home_default/mcp2515-can-bus-tja1050-receiver-spi-protocol-module.jpg)
MCP2515 CAN Bus TJA1050 Receiver SPI...
Price
€6.70
![USB to TTL serial...](https://www.botnroll.com/15293-home_default/usb-to-ttl-serial-opto-isolated-converter-ch340.jpg)
USB to TTL serial opto-isolated...
Price
€9.90
![Arduino MKR WAN 1300 w/o...](https://www.botnroll.com/19328-home_default/arduino-mkr-wan-1300-w-o-antenna.jpg)
Arduino MKR WAN 1300 w/o Antenna
Price
€52.60
![4-channel remote control RF...](https://www.botnroll.com/15487-home_default/4-channel-remote-control-rf-433mhz-long-range-200m-max.jpg)
4-channel remote control RF 433MHz...
Price
€4.90