Arduino Analog Test Shield

The Arduino Analog Test Shield is a module made by Waveshare that uses PWM and DAC circuits to read incoming analog inputs of various kinds, and output waves or signals. It utilises an onboard high accuracy, single channel MCP4725 DAC with non-volatile memory, along with PWM, to output wave signals via the LED and speaker for quick assessments of varying inputs.

The module is typically controlled via I2C interface, with two onboard potentiometers for more direct control and to test incoming signals with reliable precision. The amplifier circuit has a gain that’s set to 20 by default, to keep the external part count as low as possible. However, if you want to increase or decrease the gain, you can add external resistors or capacitors between pins 1 and 8 to increase the gain by up to 200.

Typical Applications for the Arduino Analog Test Shield:

The Arduino Analog Test Shield is a great tool for any Electronics or Arduino enthusiast, and helps with testing circuits, systems or even individual components during testing or prototyping phases. It is the ideal platform to learn about ADC, DAC and PWM features, as it allows you to assess various inputs via the onboard LED and speaker, and can even output waveforms for more complex projects. For professionals and advanced users, it is a great tool for sensor calibration and closed-loop servo control, as well as low power portable instrumentation.

Additional Resources: www.waveshare.com/wiki/Analog_Test_Shield

When it comes to producing unique electronics components and modules, there are very few brands that can provide the quality that Waveshare can. Based in the Futian District in Shenzhen, China, Waveshare are experts in developing electronics to a high standard of quality, which have been thoroughly tested to work seamlessly with corresponding development platforms and systems – such as the E-Ink HATs for Raspberry Pi’s.

What we love most about Waveshare is how they are dedicated to providing quality products, and have moved away from the typical “Made in China” stigma – cheap products with cheap parts and components. Instead, Waveshare understand the value of supplying quality products and building sustainable relationships with international resellers and distributors. They know that consistent quality will result in consistent business, and as such they always ensure strict quality control for each and every product that comes out of the manufacturing plant.

We are always excited to peruse through their vast catalogue of exciting new products to find unique modules, components or even entire development boards that are designed with quality in mind. Because we know that every cent that we spend with Waveshare will be well-spent, with each product that order adding real value to our own catalogue of products.