![Wemos® D1 R32 w/ ESP32 UNO...](https://www.botnroll.com/13904-home_default/wemos-d1-r32-w-esp32-uno-r3-pinout.jpg)
Wemos® D1 R32 w/ ESP32 UNO R3 pinout
Regular price
€14.90
-€3.00
Price
€11.90
- On sale!
- -€3.00
![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
![Multifunction Shield DHT11...](https://www.botnroll.com/13451-home_default/multifunction-shield-dht11-lm35-ldr-buzzer-for-arduino-uno-wemos-d1-r32.jpg)
Multifunction Shield DHT11 LM35 LDR...
Regular price
€12.15
-€2.25
Price
€9.90
- On sale!
- -€2.25
![Relay Shield with ESP8266...](https://www.botnroll.com/13094-home_default/relay-shield-with-esp8266-esp-01.jpg)
Relay Shield with ESP8266 ESP-01
Regular price
€7.50
-€1.00
Price
€6.50
- On sale!
- -€1.00
![AlphaBot2 robot building...](https://www.botnroll.com/13385-home_default/alphabot2-robot-building-kit-for-bbc-micro-bit-no-micro-bit.jpg)
AlphaBot2 robot building kit for BBC...
Regular price
€99.90
-€10.00
Price
€89.90
- On sale!
- -€10.00
![Gravity: Throw-in Type...](https://www.botnroll.com/12843-home_default/gravity-throw-in-type-liquid-level-transmitter-0-5m.jpg)
Gravity: Throw-in Type Liquid Level...
Regular price
€59.80
-€5.00
Price
€54.80
- On sale!
- -€5.00
![Power inverter 12V/230V...](https://www.botnroll.com/13537-home_default/power-inverter-12v-230v-400w-sine-usb.jpg)
Power inverter 12V/230V 400W sine + USB
Regular price
€89.45
-€10.00
Price
€79.45
- On sale!
- -€10.00
![WiFi Smart IP65 Camera |...](https://www.botnroll.com/13144-home_default/wifi-smart-ip-camera-pan-tilt-full-hd-1080p-outdoor-waterproof.jpg)
WiFi Smart IP65 Camera | Pan/Tilt |...
Regular price
€114.50
-€14.60
Price
€99.90
- On sale!
- -€14.60
![Microwave Radar Sensor...](https://www.botnroll.com/12627-home_default/microwave-radar-sensor-module-human-presence-sensor-rcwl-0516.jpg)
Microwave Radar Sensor Module - Human...
Regular price
€3.50
-€1.40
Price
€2.10
- On sale!
- -€1.40
![SONOFF GK-200MP2-B - Wi-Fi...](https://www.botnroll.com/13193-home_default/sonoff-gk-200mp2-b-wi-fi-wireless-ip-security-camera.jpg)
SONOFF GK-200MP2-B - Wi-Fi Wireless...
Regular price
€57.90
-€20.00
Price
€37.90
- On sale!
- -€20.00
![SONOFF D1 Smart Dimmer Switch](https://www.botnroll.com/13191-home_default/sonoff-d1-smart-dimmer-switch.jpg)
SONOFF D1 Smart Dimmer Switch
Regular price
€9.75
-€3.15
Price
€6.60
- On sale!
- -€3.15
![SONOFF S55 Wi-Fi Smart...](https://www.botnroll.com/12550-home_default/sonoff-s55-wi-fi-smart-waterproof-socket.jpg)
SONOFF S55 Wi-Fi Smart Waterproof...
Regular price
€19.45
-€4.05
Price
€15.40
- DISCONTINUED
- On sale!
- -€4.05
![Solar PWM Regulator 12/24V...](https://www.botnroll.com/15495-home_default/solar-pwm-regulator-12-24v-20a-w-usb-output.jpg)
Solar PWM Regulator 12/24V 20A w/ USB...
Regular price
€29.90
-€5.00
Price
€24.90
- On sale!
- -€5.00
![Jetson Nano Quad-Core 4GB...](https://www.botnroll.com/13315-home_default/nvidia-jetson-nano-developer-kit.jpg)
Jetson Nano Quad-Core 4GB Dev Kit -...
Regular price
€219.90
-€10.00
Price
€209.90
- On sale!
- -€10.00
![Laboratory Power Supply...](https://www.botnroll.com/13530-home_default/laboratory-power-supply-0-30vdc-0-10a.jpg)
Laboratory Power Supply 0~30Vdc 0~10A
Regular price
€149.00
-€10.00
Price
€139.00
- On sale!
- -€10.00
![Max:bot Programmable Robot...](https://www.botnroll.com/12381-home_default/max-bot-diy-programmable-robot-kit-for-kids-for-micro-bit.jpg)
Max:bot Programmable Robot Kit with...
Regular price
€169.90
-€20.00
Price
€149.90
- On sale!
- -€20.00
![0.95inch 128X64 OLED i2c...](https://www.botnroll.com/13928-home_default/0-95inch-128x64-oled-i2c-display-blue-yellow-ssd1306-driver.jpg)
0.95inch 128X64 OLED i2c Display...
Regular price
€9.85
-€3.00
Price
€6.85
- On sale!
- -€3.00
![JoyStick Module XY Analog...](https://www.botnroll.com/12315-home_default/joystick-module-xy-analog-output-z-push-button.jpg)
JoyStick Module XY Analog output + Z...
Regular price
€2.90
-€0.40
Price
€2.50
- On sale!
- -€0.40
![Bee-Bot® Class Bundle](https://www.botnroll.com/12215-home_default/bee-bot-class-bundle.jpg)
Bee-Bot® Class Bundle
Regular price
€600.00
-10%
Price
€540.00
- On sale!
- -10%
![D1 Wifi ESP8266 (ESP12F-4MB...](https://www.botnroll.com/13269-home_default/d1-wifi-esp8266-esp12f-4mb-flash-arduino-uno-r3-format-3-3v-logic.jpg)
D1 Wifi ESP8266 (ESP12F-4MB Flash)...
Regular price
€9.95
-€1.00
Price
€8.95
- On sale!
- -€1.00
![2 Relay Module 5V...](https://www.botnroll.com/12170-home_default/2-relay-module-5v-opto-isolated.jpg)
2 Relay Module 5V opto-isolated
Regular price
€4.95
-€0.80
Price
€4.15
- On sale!
- -€0.80
![Blue-Bot Robot Class Pack](https://www.botnroll.com/12143-home_default/blue-bot-bluetooth-programmable-robot-class-pack.jpg)
Blue-Bot Robot Class Pack
Regular price
€750.00
-€100.00
Price
€650.00
- On sale!
- -€100.00
![Bee-Bot Starter Kit](https://www.botnroll.com/12136-home_default/bee-bot-starter-kit.jpg)
Bee-Bot Starter Kit
Regular price
€250.00
-5%
Price
€237.50
- On sale!
- -5%
![Nedis Wi-Fi Smart Plug |...](https://www.botnroll.com/13141-home_default/nedis-wi-fi-smart-plug-schuko-type-f-10-a.jpg)
Nedis Wi-Fi Smart Plug | Schuko Type...
Regular price
€14.90
-€2.00
Price
€12.90
- On sale!
- -€2.00
![SONOFF RM433 Remote...](https://www.botnroll.com/12029-home_default/sonoff-rm433-remote-controller-base.jpg)
SONOFF RM433 Remote Controller BASE
Regular price
€2.50
-€1.00
Price
€1.50
- On sale!
- -€1.00
![SONOFF RM433](https://www.botnroll.com/13214-home_default/sonoff-rm433.jpg)
SONOFF RM433
Regular price
€8.50
-€3.00
Price
€5.50
- On sale!
- -€3.00
![SONOFF TX Series WiFi Wall...](https://www.botnroll.com/12115-home_default/sonoff-tx-series-wifi-wall-switches-t3eu2c-tx.jpg)
SONOFF TX Series WiFi Wall Switches -...
Regular price
€25.85
-€6.00
Price
€19.85
- On sale!
- -€6.00
![SONOFF TX Series WiFi Wall...](https://www.botnroll.com/12006-home_default/sonoff-tx-series-wifi-wall-switches-t0eu2c-tx.jpg)
SONOFF TX Series WiFi Wall Switches -...
Regular price
€19.80
-€6.80
Price
€13.00
- On sale!
- -€6.80
![PVA (Water Dissolvable)...](https://www.botnroll.com/16522-home_default/pva-water-dissolvable-500gr-1-75mm-natural.jpg)
PVA (Water Dissolvable) 500gr 1.75mm...
Regular price
€49.50
-€10.00
Price
€39.50
- On sale!
- -€10.00
![SONOFF MINI R2 - Two Way...](https://www.botnroll.com/16724-home_default/sonoff-mini-two-way-smart-switch.jpg)
SONOFF MINI R2 - Two Way Smart Switch
Regular price
€8.90
-€2.15
Price
€6.75
- On sale!
- -€2.15
![Nextion NX3224T028 -...](https://www.botnroll.com/13234-home_default/nextion-nx3224t028-generic-2-8-hmi-lcd-touch-display.jpg)
Nextion NX3224T028 - Generic 2.8" HMI...
Regular price
€45.00
-€3.00
Price
€42.00
- On sale!
- -€3.00
![Google AIY Vision Full Kit...](https://www.botnroll.com/13129-home_default/google-aiy-vision-full-kit-includes-pi-zero-wh-v1-1.jpg)
Google AIY Vision Full Kit - Includes...
Regular price
€139.85
-€40.00
Price
€99.85
- On sale!
- -€40.00
![Slide Pot - Motorized (10k...](https://www.botnroll.com/11613-home_default/slide-pot-motorized-10k-linear-taper.jpg)
Slide Pot - Motorized (10k Linear Taper)
Regular price
€26.80
-€2.20
Price
€24.60
- DISCONTINUED
- On sale!
- -€2.20
![UNO+WIFI R3...](https://www.botnroll.com/16668-home_default/uno-wifi-r3-atmega328p-esp8266-32mb-memory-usb-ttl-ch340g.jpg)
UNO+WIFI R3 ATMEGA328P+ESP8266 (32MB...
Regular price
€18.90
-€3.00
Price
€15.90
- On sale!
- -€3.00
![Solar panel 10W...](https://www.botnroll.com/11051-home_default/solar-panel-10w-polycrystalline-290x330x25mm.jpg)
Solar panel 10W polycrystalline...
Regular price
€22.95
-€4.00
Price
€18.95
- On sale!
- -€4.00
![SW520 ball switch angle...](https://www.botnroll.com/14638-home_default/sw520-ball-switch-angle-tilt-sensor.jpg)
SW520 ball switch angle Tilt sensor
Regular price
€0.90
-€0.50
Price
€0.40
- On sale!
- -€0.50
![SONOFF L1 Smart LED Light...](https://www.botnroll.com/10993-home_default/sonoff-l1-smart-led-light-strip.jpg)
SONOFF L1 Smart LED Light Strip - 5...
Regular price
€39.75
-€7.60
Price
€32.15
- On sale!
- -€7.60
![Sonoff 4CH R2](https://www.botnroll.com/13170-home_default/sonoff-4ch-r2.jpg)
Sonoff 4CH R2
Regular price
€27.50
-€4.60
Price
€22.90
- On sale!
- -€4.60