The TENS-NS4 Demo with Development Boards / Development Kits 30*30*4.3mm RoHS manufactured by Nanochap is a complete electronic development kit used for prototyping and debugging various electronic projects. It is based on a 4-layer PCB with a 0.3 mm trace thickness and an inner layer of 1 oz copper. The dimension of the board is 30*30*4.3 mm. It has features such as general I/O connectors, USB ports, LEDs, switches, and a 4-layer power distribution board. It is RoHS certified, meaning it complies with the requirements of Directive 2011/65/EC of the European Parliament. This electronic kit is suitable for projects involving data acquisition, process control, and network communication.