Circuits & Schematics Wireless

Subsection: "Wireless"
Search results: 63 Output: 1-10
  1. You can improve a capacitive-sensor circuit with a modulator and an RF transmitter (Reference 1) by modifying the modulator portion to obtain better accuracy. More improvements result from adding a “negatron” circuit, a configuration ...
    28-01-2021
  2. The circuit in Figure 1 is a triple, relative-humidity sensor and radio transmitter. Sensors 1 and 2 form two gated oscillators with natural frequencies of 10 and 5 kHz, respectively, at relative humidity of 50%. The gated oscillators use variable ...
    28-01-2021
  3. Circuits Arduino Wireless ESP8266 ESP-12E
    Just plug the device with an SD card inside into any USB port. It creates an FTP server where we can send and receive data to the SD card. USB was supposed to be universal, and the main goal was to make a hot-swappable, super easy to interface with ...
    18-11-2020
  4. Wenwei Li, Analog Devices Design Note The LTC4126 is a full-featured 7.5 mA wireless lithium-ion (Li-Ion) battery charger with a 1.2 V inductorless dc-to-dc converter designed for hearing aids, wireless headsets, and other space-constrained ...
    22-10-2019
  1. Jose Miguel-Lopez EDN The TDA7000 integrates a monaural FM-radio receiver from the antenna connection to the audio output. External components include one tunable LC circuit for the local oscillator, a few capacitors, two resistors, and a ...
    13-12-2018
  2. Circuits Automation Wireless Light Arduino ESP8266 PCA9685 DS18B20
    Earlier portal Radiolocman has published a description of two devices for for automatic lighting of the working area in the kitchen: Arduino version and NodeMCU version . The latter, despite several disadvantages, which I will report at the end of ...
    23-01-2018
  3. Rex Niven EDN RFID is great technology, but noisy power and other aggressors can ruin performance. RFID readers using low frequency signals (ca. 130 kHz), like the industry-workhorse TIRIS RFM-007B , are of course very sensitive to noise in that ...
    12-12-2017
  4. Vladimir Dvorkin, Linear Technology EDN Whether you measure or use RF circuits that operate in the popular 2.4-GHz ISM (industrial/scientific/medical) band, cordless telephones, Wi-Fi access points, Bluetooth devices, and microwave ovens can ...
    15-11-2017
  5. Part 1 - Arduino Version. Schematic, Sketch and PCB General information Schematic diagram Printed Circuit Board (PCB) Arduino Sketch Highlights Conclusion Downloads References General information The second version of the controller is made on a ...
    14-06-2017
  6. Charles Wenzel Techlib.com The induction receiver shown below in Figure 1 is very sensitive and can serve a variety of purposes. It is excellent for tracing wiring behind walls, receiving audio from an induction transmitter, hearing lightning and ...
    09-05-2017
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