BIGTREETECH Direct ESP8266EX ESP01S Serial Wireless Module WiFi Sensor (ESP01 Updated) WiFi Module DIY for SKR PRO V1.1 SKR MINI E3 TFT24 TFT35 V3.0

The BIGTREETECH Direct ESP8266EX ESP01S Serial Wireless Module WiFi Sensor is a product that receives mixed reviews from customers. While some users Consider it a "blessing in disguise" and praise its functionality, others find it difficult to set up and lacking in benefits. One common issue that arises is the lack of instructions for connecting the module to WiFi. Some customers express frustration at the absence of an instruction manual and suggest that the product would greatly benefit from one. Despite these challenges, there are customers who were able to successfully install the module. One user mentions following a video tutorial by "Chris Warkocki" to install the software without any additional devices. Another user reports successfully installing the module on their SKR 1.4 Turbo board using dedicated pins and the esp3d firmware. However, it is worth noting that the module's upload speed is underwhelming for some customers. One reviewer mentions that file transfers can be excessively slow, taking up to an hour to transfer a one-hour-long print gcode file. This reviewer suggests that the module is not a suitable replacement for OctoPrint and recommends investing in a Raspberry Pi Zero W instead. In terms of reception, the seller of the product receives positive feedback. One customer describes them as a "great seller," advertising the product accurately and packing it well. Overall, the BIGTREETECH Direct ESP8266EX ESP01S Serial Wireless Module WiFi Sensor receives a mixed reception. While it can be a useful tool for those who manage to set it up successfully, its lack of instructions and slow upload speed may deter some users.