Wireless and IoT
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$4.00TCS230 8-pin SOIC surface mount package, on a single chip has 64 photodiodes. These diodes are divided into four types. 16 of the photodiode with a red filter; 16 photodiodes with a green filter; 16 photodiodes with a blue filter; the remaining 16 without any filter, may all the optical […]
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$1.25TTP223B Capacitive Touch Key Sensor Module is based on a touch-sensing IC capacitive touch switch module. It allows you to remove the worry of conventional push-type keys. Digital Capacitive Touch Switch Module is based on TTP223B. Normally, it outputs low and keeps at a low power state. When a touch […]
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$8.75Items Description -DC 5V-12V -1 analog input(3.2V max input) -a Micro USB connection -Compatible with For Arduino -D1 R32 = WiFi + Bluetooth + UNO 1 x ESP32 WiFi + Bluetooth Board 4MB Flash UNO D1 R32
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$4.50USB 2.0 to TTL RS485 Serial Converter Adapter FTID FT323RL USB 485 Modules FT232 Chips
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$1.50USB to TTL Serial UART RS323 Adapter (PL2303) Built-in PL2303 USB to Serial 3.3V to 5V output
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$0.50Voltage Detection Sensor Module 25V module is based on the principle of resistive voltage divider design, it can make the red terminal connector input voltage to 5 times smaller. Arduino analog input voltages up to 5 v. The voltage detection module input voltage not greater than 5Vx5=25V (if using 3.3V […]
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$4.00WS2811 and WS2812B Remote Control 21 Channels 5-24V IR Remote + Receiver Include Battery CR2025
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$5.00WS2811 and WS2812B Remote Control 21 Channels 5-24V RF Remote + Receiver Include Battery CR2025
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$4.00Description: Water flow sensor consists of a plastic valve bodya water rotorand a hall-effect sensor. When water flows through the rotorrotor rolls. Its speed changes with different rate of flow. The hall-effect sensor outputs the corresponding pulse signal. This one is suitable to detect flow in water dispenser or coffee […]