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reset/user buttons
Charge/use supervised only
so it rejects infrared light and gives color readings that match how humans actually see
This magnetic contact switch is a compact way to detect when a door
0 + 2x USB 2
NRF24L01+ 2.4GHz Wireless Transceiver Module reset/user buttonsCompact NRF24L01+ module enables low cost bidirectional RF links for Arduino sensor networks or drones125 channels, up to 100m outdoor range in open air. Perfect for first year engineering students prototyping wireless MCU data transmission with SPI library. 1. 93. 6V operation (5V tolerant I O); 1 2Mbps air rate; +0dBm TX power; 8Mbps SPI. Built in antenna; IRQ pin for interrupts. Key Specs Frequency: 2. 4GHz ISM. Channels: 125 (1MHz spacing). Range:
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US$ 162.50
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