如题，本人使用TPS7A4701RGWR做了一个5V转1.8V的降压模块，打板测试后发现输出电压为2V，目前不知道是什么原因。 原理图如下： 猜想是输入电压太低，因为另一个板块（如下图）的输出就没有问题。 但是查阅手册发现可以使用5V作为输入（如下图），有没有大佬 ...

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In 2023, M5Stack introduced the Cardputer, a mini portable computer based on an ESP32-S3 module and equipped with a display and a keyboard. The Cardputer-Adv is an update based on the Stamp-S3A core ...

What if the future of portable computing could fit in your pocket, without compromising on power or versatility? Enter the Cardputer ADV, a compact yet feature-packed device that’s redefining what’s ...

Bus Pirate is nearly a household name in the hardware hacking world. The first version came out way back in 2008, and there have been several revisions since then. You can buy pre-built Bus Pirate ...

[导读]M5Stack Cardputer非常适合作为硬件密码管理器。它很小巧，有一个内置键盘，一个SD卡插槽，运行在带有本地USB支持的ESP32-S3上。屏幕使其易于使用，并且由于USB HID，它可以直接在登录字段中键入密码。 它提供安全的密码存储、加密和自动输入密码的USB模拟。

For those of us lucky enough to have been at Hackaday Europe in Berlin, there was a feast of hacks at our disposal. Among them was [Vladimir Divic]’s gradients game, software for an M5Stack module ...

在科技日新月异的今天，开源硬件再度吸引关注，M5Stack推出的CardPuter凭借小巧灵便的设计和强大功能迅速“火出圈”。这款卡片电脑的核心处理器采用乐鑫科技的ESP32-S3 microcontroller，它在物联网（IoT）领域享有盛誉，具备广泛的应用潜力。 CardPuter的外观设计 ...

本文介绍了M5Stack最近火热的开源硬件CardPuter。它采用ESP32 - S3微控制器，配备56位按键键盘、1.14寸TFT屏幕、SPM1423数字MEMS麦克风、腔体喇叭和红外发射管等。板载Grove口可扩展传感器，Micro SD卡槽可扩容存储，内置120mAh + 1400mAh锂电池并具备相关电路。该产品可用于 ...