I. Experiment Objective The main goal of this experiment is to gain proficiency in using the Arduino microcontroller to observe switches and sensors and to trigger devices like LEDs or a speaker based on specific sensor output values. II. Required Components List This experiment will necessitate the following components: • Two 1 kΩ resistors • […]
Ultimamente tenho andado a testar um display TFT de 2.4″ PBC ILI9341 com touch adquirido na ebay por menos de 8euros! Este display gráfico é uma excelente aposta tanto para pequenos projectos como para projectos mais avançados pois inclui a capacidade de leitura de imagens armazenadas em cartão SD. Tem uma resolução de 240×320 RGB.
Experiments com TFT 2.4″ – Experiments with 2.4″ TFT Continue Reading
(A better, higher resolution diagram can be downloaded here: from my G Drive) If you don’t want to read this long long write-up, here is a summary: This spectrum analyzer costs less than $100 to make. It is just a superhet radio that has a log amp where the speaker should have been. You can
Specan – A reboot of the W7ZOI/K7TAU spectrum analyzer Continue Reading
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