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99 cents? I guess that's for volume and possibly for the bare chip? Does anyone know if I can get the chip in a form factor that's hand-solderable (so with cas
by StavrosK 6y ago
99 cents? I guess that's for volume and possibly for the bare chip?
Does anyone know if I can get the chip in a form factor that's hand-solderable (so with castellated edges) and with a built-in antenna (rather than an ipex connector) for close to that price? That might finally get me off the ESP8266.
- xigency 6y agoYes, check AliExpress for ESP32 dev module for a board with pins. Look at LCSC for one with castellated edges. esp32.net has info about more form factors. At my work we have a design that uses the ESP32-WROOM-32 for the Bluetooth and CPU. It is a pretty great alternative to using Arduinos.
- StavrosK 6y agoOh nice, thanks, I didn't know about esp32.net!
- throwaway9d0291 6y agoEspressif makes 3 categories of ESP32-S2: - IC: Just the bare chip. Costs 99c as you say. - Module: The chip on a PCB with castellated edges and a PCB antenna (normal) or IPEX connector (the "-I" variants). These cost ~$2. - Devkit: The module but on a PCB with 2.56mm pitch pins installed, a USB/serial converter and 3.3V power supply. These cost ~$8. You can buy all of these at the prices I listed from the standard electronics distributors like Digikey and Mouser, you don't have to be special or anything.
- StavrosK 6y agoI already do, I thought there was a special way to buy the modules for $1. By the way, I found some Lolin ESP32 devkits for $3.5, a great price. I got 10ish of those, as I always use them for whatever throwaway projects since the price is so good.