JemRF

JemRF is stocked by 2 independent online stores we track, across 73 listings. Every price below was read from that retailer's own catalogue and is shown in the currency it charges — nothing here is exchange-rate converted.

Stores
2
Listings
73
Median price
19.95 USD
Discounted
42
⌀ 30.5% off

Where to buy JemRF

Price gaps between retailers can be real positioning — or simply different currencies. A Shopify catalogue does not state its currency, so treat a wide gap as a question.

StoreCountryProductsCheapestMedianOn sale
jemrf.comUS720 USD19.95 USD41 (⌀31% off)
greenerharvestseeds.comUS132.95 USD32.95 USD1 (⌀7.9% off)

JemRF products, biggest discounts first

ProductStorePriceWasOff
Gas Sensor MQ-2 Gas/Smoke Detectorjemrf.com0.49 USD4.99 USD−90.2%
MAX7219 8-Digit LED Display Module Digital Tube SPI Control Redjemrf.com0.99 USD5.99 USD−83.5%
Moisture Detection Sensor Module for Soil or Water for Arduino Raspberry Pijemrf.com0.85 USD3.49 USD−75.6%
DIY Alarm Kit - Motion sensor, door contacts, temperature, buzzer sirenjemrf.com22.95 USD86.95 USD−73.6%
Wireless Switch/Temperature Upgrade Kitjemrf.com1.15 USD3.45 USD−66.7%
Mini Breadboard 400 Point Prototyping Circuit boardjemrf.com2.59 USD6 USD−56.8%
Magnetic Reed gap Switch N/C N/O Combinedjemrf.com4.5 USD10.4 USD−56.7%
PIR Motion Sensorjemrf.com1.67 USD3.75 USD−55.5%
ESP32-C3-Zero Mini Development Boardjemrf.com3.95 USD8.49 USD−53.5%
Waterproof DS18B20 Dallas 1 wire digital temperature sensor and resistorjemrf.com2.95 USD7.95 USD−50.4%
Capacitive Soil Moisture Sensor Modulejemrf.com1 USD2 USD−50%
PL2303HX USB To RS232 TTL Auto Converter Module Converter Adapter For Raspberry Pi and Arduinojemrf.com2.87 USD4.96 USD−42.1%
Relay for Raspberry Pi or Arduino 1-Channel 5V Relay Module 250V/10Ajemrf.com5.95 USD9.99 USD−40.4%
5v Power Supply - 2.5A (Micro USB)jemrf.com5.95 USD9.95 USD−40.2%
Temperature Thermistr NTC 10K OHM 3977K (25 sensors)jemrf.com8.89 USD14.59 USD−39.1%
AM2320B (DHT22) External Digital Temperature and Humidity Sensorjemrf.com6.99 USD9.99 USD−30%
ESP32-C3 Super Mini Development Board WiFi+Bluetooth Ultra-Low Powerjemrf.com3.15 USD4.4 USD−28.4%
ESP32-C3 Mini Development Board WiFi+Bluetooth Ultra-Low Power with Antennajemrf.com3.95 USD5.5 USD−28.2%
USB 2.0 Cable Type A to Mini-Bjemrf.com2.85 USD3.79 USD−24.8%
FT232RL FTDI USB 3.3V 5.5V to TTL Serial Adapter Module for Arduino Mini Portjemrf.com6.95 USD8.95 USD−22.3%
Wireless Developers Kit with Wireless Gatewayjemrf.com210 USD269.5 USD−22.1%
Wireless Water Sensor Kitjemrf.com19.95 USD24.95 USD−20%
Soil Moisture Detect Probe 3 Metersjemrf.com16 USD20 USD−20%
Soil Moisture Detect Probe 1.3 Metersjemrf.com9.95 USD12.43 USD−20%
Wireless Analog Temperature Sensorjemrf.com19.99 USD24.95 USD−19.9%
Smart Gatewayjemrf.com190.99 USD285.99 USD−19.1%
Wireless Temperature and Humidity Monitoring Kits with WiFi Wireless Gatewayjemrf.com99.95 USD118.8 USD−15.9%
Business Starter Packagejemrf.com170 USD195 USD−12.8%
WiFi Gateway Projemrf.com49.95 USD59.95 USD−12.3%
WIFI Waterproof Temperature Sensor Pro - Multiple External Sensorsjemrf.com34.25 USD64.75 USD−12%
FT232RL FTDI USB 3.3V 5.5V to TTL Serial Adapter Module for Arduino USB-Cjemrf.com7.95 USD8.95 USD−11.2%
WIFI Temperature and Humidity Sensor Pro Plusjemrf.com34.95 USD54.95 USD−11%
Wireless RF Starter Setjemrf.com89.95 USD99.85 USD−9.9%
WIFI Controlled Relay Switch Kit - Internet Of Things (IOT)jemrf.com27.95 USD30.95 USD−9.7%
Soil Moisture Detect Probe 5 Metersjemrf.com14.95 USD16.56 USD−9.7%
WIFI Waterproof Temperature Sensor - Multiple External Sensorsjemrf.com33.95 USD44.95 USD−9.1%
WIFI Temperature and Humidity Sensor - Internet Of Things (IOT)jemrf.com29.95 USD35.95 USD−9.1%
WIFI Temperature and Humidity Sensor Progreenerharvestseeds.com32.95 USD50.45 USD−7.9%
WIFI Temperature and Humidity Sensor Projemrf.com32.95 USD50.45 USD−7.9%
M-Series Wireless Temperature & Humidity Sensorjemrf.com33.95 USD36.95 USD−5.6%

Not affiliated with or endorsed by JemRF. Prices are observations from public retailer catalogues and may be out of date. Request removal.