-17%
WIFI Serial Module ESP-01 Adapter Board (3.3V 5V)
The use of an ESP8266 with Arduino requires logic level translation of the UART signal, as provided by this easy 3.3 V – 5 V adapter. It makes the ESP-01 ESP8266 WiFi module the easiest WiFi transceiver for your Arduino (5 V).
-4%
W1209 Temperature Controller Board 12Vdc
- Temperature range : -50°C ~ 110°C
- Dimensions: 48.5 x 40mm
- Temperature control mode: ON / OFF
- Resolution: When temperature is 0.1°C, the resolution is -9.9~99.9, other temperature segment is 1°C
- Control accuracy: 0.1°C
- Hysteresis accuracy: 0.1°C
- Refresh rate: 0.5S
- High temperature protection: 0°C - 110°C
- Supply voltage: DC 12V, 24V
- Static current: ≤ 35 mA, attract current ≤ 65 mA
- Output voltage: DC 12V, 24V
- Output power: 20A relay
- Measurement input: NTC (10K 0.5%) Waterproof Sensor
- Environmental requirements: -10°C ~ 60°C,Humidity 20% -85%
- Light color: Red/Blue(option)
- Temperature range : -50°C ~ 110°C
- Dimensions: 48.5 x 40mm
- Temperature control mode: ON / OFF
- Resolution: When temperature is 0.1°C, the resolution is -9.9~99.9, other temperature segment is 1°C
- Control accuracy: 0.1°C
- Hysteresis accuracy: 0.1°C
- Refresh rate: 0.5S
- High temperature protection: 0°C - 110°C
- Supply voltage: DC 12V, 24V
- Static current: ≤ 35 mA, attract current ≤ 65 mA
- Output voltage: DC 12V, 24V
- Output power: 20A relay
- Measurement input: NTC (10K 0.5%) Waterproof Sensor
- Environmental requirements: -10°C ~ 60°C,Humidity 20% -85%
- Light color: Red/Blue(option)
Rain drop Sensor Module
- Working voltage 5V
- Output format: Digital switching output (0 and 1), and analog voltage output AO
- Potentiometer adjust the sensitivity
- Uses a wide voltage LM393 comparator
- Comparator output signal clean waveform is good, driving ability, over 15mA
- Anti-oxidation, anti-conductivity, with long use time
- With bolt holes for easy installation
- Small board PCB size: 3.2cm x 1.4cm
-7%
NRF24L01 Wireless Module Adapter Board
This 5V-3.3V VCC Adapter Board for NRF24L01 Wireless Module enables you to use NRF24L01-type transceivers on 5V systems like Arduino.
It regulates the 5V input to 1.9~3.6V DC and incorporates bypass capacitors for reliable operation. The NRF24L01 utilizes the Enhanced ShockBurst (ESB) protocol to support two-way data packet communication with packet buffering, packet acknowledgment, and automatic retransmission of lost packets.