In early 2005, NEC Electronics launched small-pin-count microcontrollers such as PIC/AVR based on the 78K0S architecture. The 78K architecture has a register set similar to the i8085 and additional bit manipulation instructions. It is said to be a classic architecture, but the memory organization is simpler than PIC/AVR. There are various devices with dedicated peripherals, and the 78K series occupies a considerable share of industrial equipment. In the early days, only OTP/Mask products were available, so they were not popular among electronic crafts. However, the small pin count 78K series with flash memory is getting some attention from Japanese microcontroller geeks. Powerful IDEs (compilers, assemblers, simulators, etc.) are also provided for free. I built a very simple 78K0S flash programming adapter for these devices. Additionally, I built a universal programming adapter for V850ES, LPCxxxx, STM32F, etc.
The complete PCB related files are open source, and there is also a design document for reference and study.
3D printer filament can be produced from discarded water bottles, which will serve two key purposes: recycling plastic waste and producing 3D printer filament at extremely low cost.
The authors hope that as many people as possible will replicate and improve on this project. Therefore, all CAD, firmware and other resources are open source. Special consideration was also given to ensuring that all parts and tools used in the build process were easily sourced.
NXPProvides highly flexible, market-ready development tools in an evaluation kit based on the i.MX 6SoloLite applications processor.
The PD150 is a compact 150MHz differential oscilloscope probe for engineers on a budget and advanced hobbyists. It has advanced features such as automatic DC offset voltage zeroing and low-frequency common-mode rejection tuning. It will also provide complete documentation in the spirit of old-school "anchor" test equipment, detailing its working principles in addition to typical instructions and specifications.
FRDM-TOUCH is a touch module for FRDM-KE15Z
Core64 combines real core memory and LEDs in a unique interactive way. Core Memory is a magnetic memory technology from the 1960s and 1970s. The tip of the stylus has a magnet that interacts with the LED through Core Memory. In practice, users can think of it as a magnetic touch screen
This board and associated firmware can be used to switch between two serial NMEA GPS feeds based on repair status. The resulting feed is transmitted over a third serial line with RS232 levels. This board is designed around the Cypress PSoC CY8C27143. The PCB is designed using KiCAD.
Picoclick-C3 The name relates to its new processor, the ESP32-C3, a single-core RISC-V 160MHz CPU. Picoclick C3T is a small WiFi and BLE IoT button suitable for a variety of applications. Originally designed for smart homes, Picoclick can also be used as an actuator for IFTTT automation or as an MQTT device. It is based on the single-core ESP32-C3 RISC-V processor, so it has a lot of useful features. The C3T measures just 10.5mm x 18mm.
Use ESP32S3 to develop a general module with speech recognition and visual recognition functions. It is mainly used for education, science and technology competitions, and creative design of DIY enthusiasts. The interface and functions are compatible with OpenMV, and its IDE can be used as development and debugging software. Most of the overall hardware design is compatible with ESP32S-EYE, so with a little adjustment of the interface definition, it can be compatible with ESP-WHO. ESP-WHO provides examples such as face detection, face recognition, cat face detection and gesture recognition, thus making this software The module is very playable.
By interleaving Renesas' low power, high sample rate ADCs, it is possible to achieve a combination of ultra-high sample rate and very high dynamic range that is not available in today’s stand-alone ADCs. This reference design demonstrates the performance attainable by combining Renesas' ADC technology and SP Devices' interleaving algorithms. In this design, four ISLA112P50 12-bit, 500MSPS analog-to-digital converters are interleaved to sample at a rate of 2.0GSPS. At this sampling rate, the reference design provides over 6dB more SNR and 13dB better SFDR than the best alternative stand-alone ADC.
4-channel, flexible, configurable, voltage and current output circuit for I/O card and PLC applications
With features like adaptive cruise control, driver monitoring, automatic lane centering, etc., it is available for Toyota, Hyundai, Honda and many other brands, about 275+ models. openpilot complies with ISO26262 guidelines.
During the dry season we often get electrocuted by metal objects, especially door handles. This is due to the charged static electricity in the human body. Any object can be charged, and often objects have electrical potentials of several thousand volts or more. Static electricity often causes malfunction or damage to electronic equipment. I've always wanted to know how much static electricity is carried in an object or human body, so I made a surface potentiometer to measure the potential of a charged object.
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